HT48R53
Description
These devices are 8-bit high performance, RISC architecture microcontroller specifically designed for multiple I/O control product applications. The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, HALT and wake-up functions, watchdog timer, buzzer driver, as well as low cost, enhance the versatility of these devices to suit a wide range of application possibilities such as industrial control, consumer products, subsystem controllers, etc. 1 December 6, 2005 HT48R52/HT48R53.
Key Features
- Operating voltage:
- External RC and 32768Hz crystal oscillator
- Dual clock system offers three operating modes - Normal mode: Both RC and 32768Hz clock active - Slow mode: 32768Hz clock only - Idle mode: Periodical wake-up by watchdog timer fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V
- Program memory: HT48R52: 2k´14 HT48R53: 4k´15
- 88´8 data memory
- 40 bidirectional I/O lines
- One External interrupt input
- One Internal interrupt
- 8 bit programmable timer/event counter
- 4-level subroutine nesting
